/*******************************************************************************
 * Copyright 2011 Towee.net
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package net.towee.server.rpc.services;


import net.towee.client.siowrapper.SocketRPCController;

import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.user.client.rpc.RpcRequestBuilder;

public class SocketRpcBuilder extends RpcRequestBuilder {
    
    /**
	 * @author  c58
	 */
    protected static class SocketRequestBuilder extends RequestBuilder {
        private int requestId;

        public SocketRequestBuilder(String url) {
            super(RequestBuilder.POST.toString(), url);
        }
        
        public void setRequestId(int id){
        	requestId = id;
        }
        
        @Override
        public Request send() throws RequestException {
            return doSend(getRequestData(), getCallback());
        }

        @Override
        public Request sendRequest(String requestData, RequestCallback callback)
                throws RequestException {
            return doSend(requestData, callback);
        }

        protected Request doSend(final String data, final RequestCallback callback){
        	SocketRPCController.getInstance().sendRPCRequest(requestId, data, callback);
        	return null;
        }
    }
    
    /**
     * Create our WS request builder
     */
    @Override
    protected RequestBuilder doCreate(String serviceEntryPoint) {        
        return new SocketRequestBuilder(serviceEntryPoint);
    }
    
    protected void doSetRequestId(RequestBuilder rb, int id) {
    	((SocketRequestBuilder) rb).setRequestId(id);
    }
}